Honeywell CM901 User Manual (English)

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CM901 - User Guide

1 day Programmable

Room Thermostat

Honeywell Control Systems Ltd.

Arlington Business Park,

Bracknell

Berkshire

RG12 1EB

Technical Help Desk: 08457 678999

www.honeywelluk.com

42010943-103 R1

Description

The Honeywell CM901 is a programmable room thermostat designed to

control your heating system efciently, providing comfortable temperatures

when you are at home and energy savings when you are away. The following

instructions explain how to program and use the CM901 to provide the most

home comfort at the least cost.

Features

Ergonomic User Interface features an ‘OK-button’ making the CM901 very

easy to use so you always stay in control.

Dynamic Text Display provides informative ‘on-screen’ feedback and

operational assistance to the user.

Extra Large LCD (Liquid Crystal Display) Screen with Backlight provides

added user friendliness and clearer viewing – even in the dark.

6 independent temperature levels lets you set any 6 temperatures you require

(from 5 to 35°C) so you can enjoy economical comfort throughout the day.

Holiday button saves energy by letting you reduce the temperature for 1 to 99

days while you are away from home, resuming normal operation on your return.

Automatic Summer/Winter Time Change will adjust the clock automatically

for ‘Daylight Saving Time’.

Built-in Memory holds the user program indenitely so that it is never lost

– even if you remove the batteries.

Outside Temperature Sensor (optional accessory) can be tted to the

CM901 to display the temperature outside your home.

Remote Temperature Sensor (optional accessory) can be tted to the CM901

to control to the room temperature in another location, concealing the CM901.

Optimum Start option is an advanced feature which ensures that the optimum

temperature conditions are achieved at the required times.

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General

Type	Programmable Thermostat
Display	LCD
Temperature Range	5°C to 35°C
Operating Mode	Heating
Contact Type	SPDT
Switching Voltage	230V AC
Temperature Display	Yes
Frost Protection	Yes
Optimum Start	Yes
Number of Time Periods	6 per day
Backlight	No
Hold Function	Yes
Installation	Wall-mounted
Programming	7-day programmable
Power Source	Battery (2x AA)
Switching Current	3A inductive
Compatibility	Most boilers and heating systems